<%--
  Created by IntelliJ IDEA.
  User: Lenovo
  Date: 2021/4/8
  Time: 21:42
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<h3>if测试</h3>

<hr>

<form action="coreIf.jsp" method="get">
    <%--EL表达式获取表单中数据--%>
    <input type="text" name="username" value="${param.username}">
    <input type="submit" value="login">
</form>
</body>
</html>
